Master's MateSafety Initiative Network

The Master's Mate Safety Initiative Network (MMSIn) — like AAA for the ocean, but free & community-driven. Cruisers keeping each other safe: anchor-drag & distress alerts, a verified captains directory, and a watch network that has your back.

Fishing Tender

Abacus

MMSI 368196880 · Call sign WDM3396

Not yet on Master's Mate

Type

Fishing Tender

Flag

USA

Length

19 m

Beam

5.4 m

Draft

2.7 m

Call sign

WDM3396

Official No.

563382

AIS reports

Registered in the United States, Abacus is a 19-metre offshore fishing boat. She carries 5.4 metres in the beam and a 2.7 m draft. On AIS she shows as MMSI 368196880, call sign WDM3396. Bring Abacus aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.

Free forever · No credit card · for working captains

Know where the fleet is. Get Abacus home safe.

Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.

Keep the fleet in sight — free →

Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Wherever Abacus roams, you're never out there alone.

Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.

Free with your claim · for working captains

The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put Abacus on the map. It hands you the full bridge:

Live AIS & Traffic

See every vessel around you in real time. Closest-approach warnings before they matter.

Weather & Routing

GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.

Systems Monitoring

Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.

Distress Mesh

Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.

Anchor Watch

GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.

Worldwide Charts

Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.

Onboard Cameras

Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.

Hail Any Captain

A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.

Claim Abacus and switch it all on

Free to join · nothing to install to start · cancel anytime

Claim free → unlock everything

About Abacus

What kind of vessel is Abacus?

Abacus is a Fishing Tender flagged to United States of America.

What is Abacus's MMSI?

Abacus's MMSI is 368196880. Call sign WDM3396.

How big is Abacus?

Abacus is about 19 m long, 5.4 m on the beam, drawing 2.7 m.

Is Abacus on the Master's Mate Safety Initiative Network?

Not yet. If Abacus is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).